const makeRandomStr = (length) => {
    var result = ''
    var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
    var charactersLength = characters.length
    for (var i = 0; i < length; i++) {
      result += characters.charAt(Math.floor(Math.random() * charactersLength))
    }
    return result
  }

module.exports = {
  makeRandomStr: makeRandomStr
}  